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 A371027 a(n) = Sum_{k=1..n} binomial(n, k) * Pochhammer(1/4, k) * 4^k * a(n - k) for n > 0 and a(0) = 1. Row sums of triangle A371026. 1
 1, 1, 7, 81, 1299, 26565, 659655, 19256265, 645765435, 24453391725, 1031685317775, 47978413923825, 2437962646702275, 134374287343821525, 7984095179348863575, 508687013361879977625, 34593307096333435324875, 2500919993138258679112125, 191526329081848509391017375 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Table of n, a(n) for n=0..18. MAPLE a := proc(n) option remember; local k; if n = 0 then 1 else add(binomial(n, k) * pochhammer(1/4, k) * 4^k * a(n - k), k = 1..n) fi end: seq(a(n), n = 0..19); CROSSREFS Cf. A371026, A007696. Sequence in context: A339710 A112119 A369024 * A058575 A355220 A285062 Adjacent sequences: A371024 A371025 A371026 * A371028 A371029 A371030 KEYWORD nonn AUTHOR Peter Luschny, Mar 08 2024 STATUS approved

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Last modified July 18 21:02 EDT 2024. Contains 374388 sequences. (Running on oeis4.)